How to File a DBA in California
Bizee explains how to file a DBA in California — also called a fictitious business name. Learn the steps, county filing requirements, publication rules, fees, and renewal deadlines.
Bizee Editorial Staff
Editorial Team
Introduction
To file a DBA in California, you file a fictitious business name (FBN) statement with the county clerk in the county where your business operates, publish the statement in a local newspaper for 4 consecutive weeks, and file proof of publication. The whole process takes a few weeks and costs vary by county.
What is a DBA in California?
A DBA in California is a fictitious business name (FBN) — a registration that lets a business operate under a name other than its legal name. It doesn't create a new legal entity or provide liability protection. It simply puts the public on notice that a specific person or business is operating under that name.
California uses the terms DBA and fictitious business name interchangeably. The filing is made at the county level — not with the California Secretary of State. That's a detail that trips people up: there's no single statewide portal for DBA registration.
Who needs to file? A sole proprietor doing business under any name that doesn't include their legal surname needs a DBA. Partnerships and corporations operating under a name other than their registered legal name need one too.
Why file a DBA in California?
Filing a DBA in California lets your business use a name that's more recognizable to customers than your legal name alone. It also gives you the legal standing to open a business bank account, sign contracts, and accept payments under that name — which matters from day one.
A DBA is also how sole proprietors and partnerships separate their personal identity from their business identity. Without one, your legal name is your business name by default — which can look unprofessional and makes it harder to build a distinct brand.
One thing worth knowing: a DBA doesn't protect your personal assets. If someone sues your business and you're operating as a sole proprietor, your personal finances are still fair game. A DBA is a naming tool, not a liability shield. If asset protection matters to you, forming an LLC is the step that actually provides it.
How to file a DBA in California
Filing a DBA in California is a county-level process with 4 main steps: search for name availability, complete and file the FBN statement, publish the statement in a local newspaper, and file proof of publication. You need to file within 40 days of starting to use the name.
Step 1 — Search for name availability. Before filing, check whether your proposed DBA is already in use in your county. Most county clerks provide an online search tool. Los Angeles County, for example, has a public FBN search portal. Searching first saves you the filing fee if the name is already taken.
Step 2 — Complete and file the FBN statement. Get the fictitious business name statement form from your county clerk's office. The form asks for the DBA name exactly as you'll use it, the business's street address, and the full legal name of every owner or registrant. Filing methods vary by county — some accept online submissions, others require in-person or mail filing.
Step 3 — Pay the filing fee. Fees are set at the county level, so the amount depends on where you file. Los Angeles County charges $26 for 1 business name and 1 registrant, with an additional $5 for each extra name or registrant on the same statement. Check your county clerk's fee schedule before you file.
Step 4 — Publish the statement. California law requires you to publish the FBN statement in a newspaper of general circulation in your county. Publication must begin within 45 days of filing and must run once a week for 4 consecutive weeks. After the run is complete, the newspaper provides an affidavit of publication, which you file with the county clerk as proof.
Your DBA registration is valid for 5 years from the filing date. After that, it expires and you lose your exclusive claim to the name in that county unless you renew. Renewal is filed with the same county clerk, and in most cases you won't need to republish in a newspaper if nothing has changed.
FAQ
It depends on your county. California DBA filings are handled at the county level, and each county sets its own filing methods. Some counties — including Los Angeles — allow you to file a fictitious business name statement entirely online, including identity verification, signature, and payment. Others require in-person or mail filing. Check with your county clerk's office to find out what's available where you operate.
To file a DBA in California, you need to complete your county's fictitious business name statement form with the DBA name exactly as you'll use it, the business's street address, and the full legal name of every owner or registrant. You also need to pay the county filing fee, publish the statement in a qualifying local newspaper for 4 consecutive weeks, and file proof of publication with the county clerk.
It depends on your county's processing time and the publication requirement. The county clerk's review is generally quick — often a few business days — but the newspaper publication runs for 4 consecutive weeks, which is the main timeline driver. Plan for the full process to take 5 to 6 weeks from filing to having proof of publication on file.
Yes. The core document is your county's fictitious business name statement form. You'll need to provide the DBA name as it will appear in commerce, the business's street address, and the full legal name of all owners or registrants — for example, your personal name if you're a sole proprietor, or the entity name if you're filing on behalf of an LLC or corporation. Some counties may also require identity verification when filing online.
It depends on the county. Filing fees are set locally, not by the state. Los Angeles County charges $26 for 1 business name and 1 registrant, plus $5 for each additional name or registrant on the same statement. Other counties have their own fee schedules. On top of the county filing fee, you'll also pay the newspaper for the required 4-week publication run — that cost varies by publication.
A California DBA registration is valid for 5 years from the date it's filed. When it expires, you lose your exclusive claim to that name in the county unless you renew. Renewal is filed with the same county clerk where you originally registered. In most cases, if nothing has changed on the statement, you won't need to republish in a newspaper — but requirements vary by county, so check with your local clerk's office.
No. A DBA is a naming registration, not a legal structure. It doesn't create a separate legal entity and doesn't protect your personal assets. If your business is sued and you're operating as a sole proprietor with only a DBA, your personal finances are fair game. If liability protection matters to you, forming an LLC is the step that actually provides it — a DBA alone won't get you there.